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Official data from INPI

APERFEICOAMENTO EM MARCO SINALIZADOR

IndeferidaInvention Patent
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Application data

Number

PI8104147

Type

Invention Patent

Filing

06/30/1981

Publication

-
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Progress at the INPI

Under appeal
  1. Filing06/30/81
  2. Publication
  3. Examination10/27/81
  4. Refused03/05/85
  5. Grant
  6. In force

The application was refused by the INPI on 03/05/1985. The invention was never patented.

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Latest action published by the INPI: 03/05/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

USEFERRO IND COMERC ESQUADRIAS [BR]

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/05/1985

RPI 750

Conhecimento de parecer técnico

#7.1

07/10/1984

RPI 716

Solicitação de exame técnico

#4.1

10/27/1981

RPI 575

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